Affiliation: | 1. Center for Statistics, Hasselt University, BE 3590 Diepenbeek, Belgium;2. Johnson and Johnson Pharmaceutical Research and Development, Beerse, Belgium;3. Dept. of Statistics and Operations Research, University of Santiago de Compostela, Spain;4. Departamento de Fisiologia, Facultad de Medicina, Complejo Hospitalario Universitario Universidad de Santiago de Compostela, Spain |